211020000098 has 4 divisors (see below), whose sum is σ = 316530000150. Its totient is φ = 105510000048.

The previous prime is 211020000071. The next prime is 211020000131. The reversal of 211020000098 is 890000020112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 181333743889 + 29686256209 = 425833^2 + 172297^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52755000023 + ... + 52755000026.

Almost surely, 2^211020000098 is an apocalyptic number.

211020000098 is a deficient number, since it is larger than the sum of its proper divisors (105510000052).

211020000098 is a wasteful number, since it uses less digits than its factorization.

211020000098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105510000051.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 211020000098 in words is "two hundred eleven billion, twenty million, ninety-eight", and thus it is an aban number.